﻿
<!--
https://github.com/netnr
https://gitee.com/netnr
https://www.netnr.com
https://zme.ink
-->


<!DOCTYPE html>
<html>
<head>

    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <link rel='shortcut icon' href='/favicon.ico' type='image/x-icon' />


    <title>文件转Base64 脚本服务</title>

    <meta name="keywords" content="netnr NET牛人 文件转Base64" />
    <meta name="description" content="Script Services Base64编码转换" />

</head>
<body>
<link href='https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css' rel='stylesheet' />
<link href='https://cdn.jsdelivr.net/npm/font-awesome@4.7.0/css/font-awesome.min.css' rel='stylesheet' />
<script src='https://cdn.jsdelivr.net/npm/jquery@3.6.0/dist/jquery.min.js'></script>
<script src='https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/js/bootstrap.bundle.min.js'></script>
<script src='https://cdn.jsdelivr.net/npm/jzjs@2.0.2/2.0.2/jz.min.js'></script>
<link href='https://cdn.jsdelivr.net/gh/netnr/cdn/libs/netnr-nav/1.1.2/netnrnav.css' rel='stylesheet' />
<script src='https://cdn.jsdelivr.net/gh/netnr/cdn/libs/netnr-nav/1.1.2/netnrnav.js' defer async></script>
        <link href="/css/global.css?v=NAI_hOr6ZSg5NjaPo94olMdf7kAXXyp9gYOiuK69lLE" rel="stylesheet" />
        <script src="/js/global.js?v=-UUx_lkaONxBXMxYH5RB2QtqMLBOuqV077SxjKI08E4"></script>
            <!--导航-->
            <button type="button" class="MenuToggle show-in-mobile btn btn-lg btn-warning ml-3 mt-3">
                <span class="fa fa-align-justify"></span>
            </button>
            <div class="netnrnav horizontal">
                <div class="netnrnav-wrapper">
                    <ul>
                        <li><a href="https://www.netnr.com" class="siteIcon"><img src="/favicon.ico" /> 首页</a></li>
                        <li><a href="https://www.netnr.com/gist/discover" title="代码片段"><span class="fa fa-fw fa-file-code-o"></span> Gist</a></li>
                        <li><a href="https://www.netnr.com/run/discover" title="在线运行代码"><span class="fa fa-fw fa-play"></span> Run</a></li>
                        <li><a href="https://www.netnr.com/doc" title="文档管理"><span class="fa fa-fw fa-book"></span> Doc</a></li>
                        <li><a href="https://www.netnr.com/draw/discover" title="绘制"><span class="fa fa-fw fa-paint-brush"></span> Draw</a></li>
                        <li><a href="/" title="ss.js.org"><span class="fa fa-fw fa-wrench"></span> 服务</a></li>
                        <li style="background-image: radial-gradient(ellipse, white, rgb(227, 248, 240))">
                            <!--标题-->
                                <a href='javascript:location.reload(false)' title="Base64编码转换">
                                    <svg class="titleicon"><use xlink:href="#code"></use></svg> &#x6587;&#x4EF6;&#x8F6C;Base64
                                </a>
                        </li>
                        <li>
                            <a class="text-muted"><span class="fa fa-fw fa-ellipsis-h"></span></a>
                            <ul>
                                <li><a target="_blank" title="码云" href="https://gitee.com/netnr"><i class="fa fa-fw fa-git"></i> Gitee <sup><i class="fa small fa-external-link"></i></sup></a></li>
                                <li><a target="_blank" title="GitHub" href="https://github.com/netnr"><i class="fa fa-fw fa-github"></i> GitHub <sup><i class="fa small fa-external-link"></i></sup></a></li>
                            </ul>
                        </li>
                    </ul>
                </div>
            </div>
        <div class="min300 mt-3">
            <div class="container-fluid">
    <div class="row">
        <div class="col-md-12">
            <label class="btn btn-success mb-0">
                <input type="file" class="d-none" id="txtFile" /> 选择（拖拽、粘贴）文件
            </label>
            <label id="labSize" class="ml-3"></label>
        </div>
        <div class="col-md-12 my-2 nrEbox d-none">
            <div id="editor" class="border overflow-hidden position-relative min300">
            </div>
        </div>
        <div class="col-md-12 mb-2 d-none">
            <button class="btn btn-success" id="btnBase64ToFile">Base64转文件</button>
            <div id="viewBase64" class="mt-3"></div>
        </div>
    </div>
</div>

<script src='https://cdn.jsdelivr.net/npm/monaco-editor@0.23.0/min/vs/loader.js'></script>

<script>
    require.config({
        paths: {
            vs: 'https://cdn.jsdelivr.net/npm/monaco-editor@0.23.0/min/vs'
        },
        'vs/nls': { availableLanguages: { '*': 'zh-cn' } }
    });
</script>
                        


<script>

    //接收文件
    ss.receiveFiles(function (files) {
        fileAsBase64(files[0])
        $('#txtFile').val('')
    }, "#txtFile");

    var editor;
    function showCode(code) {
        if (editor) {
            editor.setValue(code);
        } else {
            require(['vs/editor/editor.main'], function () {
                $('.nrEbox').removeClass('d-none');
                $('#btnBase64ToFile').parent().removeClass('d-none');

                editor = monaco.editor.create(document.getElementById("editor"), ss.meConfig({
                    value: code,
                    language: 'html',
                    wordWrap: "on"
                }));
            });
        }
    }

    function fileAsBase64(file) {
        var r = new FileReader();
        r.onload = function () {
            showCode(this.result);
            $('#labSize').html("大小：" + (this.result.length / 1024).toFixed(1) + " K");
        }
        r.readAsDataURL(file);
    }

    function base64AsBlob(code) {
        var parts = code.split(';base64,');
        var contentType = parts[0].split(':')[1];
        var raw = window.atob(parts[1]);
        var rawLength = raw.length;
        var uInt8Array = new Uint8Array(rawLength);
        for (var i = 0; i < rawLength; ++i) {
            uInt8Array[i] = raw.charCodeAt(i);
        }
        return new Blob([uInt8Array], {
            type: contentType
        });
    };

    $('#btnBase64ToFile').click(function () {
        var code = editor.getValue();
        var blob = base64AsBlob(code);
        console.log(blob);
        var vbase = $('#viewBase64'), vnode;
        vbase.html('');
        if (blob.type.indexOf("image") >= 0) {
            vnode = document.createElement("img");
        }
        if (blob.type.indexOf("audio") >= 0) {
            vnode = document.createElement("audio");
            vnode.controls = true;
        }
        if (blob.type.indexOf("video") >= 0) {
            vnode = document.createElement("video");
            vnode.controls = true;
        }
        if (vnode) {
            vnode.src = URL.createObjectURL(blob);
        } else {
            vnode = document.createElement("a");
            vnode.href = URL.createObjectURL(blob);
            vnode.innerHTML = "下载";
        }
        vnode.style.maxWidth = "100%";
        vbase.append(vnode);
    });

    $(window).on('load', function () {
        if (typeof (FileReader) === 'undefined') {
            jz.alert("你的浏览器不支持 FileReader <br />请使用现代浏览器操作！");
            $('#txtFile')[0].disabled = true;
        }
    })
</script>
        </div>
            <a href="javascript:ss.toTop();" class="totop" title="返回顶部">ˆ</a>
</body>
</html>
